Introduction: Widely used as lipid lowering agents, Omega 3 fatty acids have been demonstrated to possess the potential to reduce the risk of cardiovascular events in patients suffering from chronic heart conditions. In this double -blinded randomized placebo-controlled clinical trial, we aim to investigate the possible beneficial effects of Omega-3 supplements on echocardiographic parameters and brain natriuretic peptide (BNP) plasma levels in patients suffering from congestive heart failure (CHF).